public class TestLoop {
    public int factorial(int n)
    {
        int tally = 1;
        for(int i = 1; i <= n; i++)
        {
            tally *= i;
        }

        return tally;
    }

    int weirdFor() {
        int k = 0;
        for (; k < 5; k++) {
        }
        return k;
    }
}